26478211 has 2 divisors, whose sum is σ = 26478212. Its totient is φ = 26478210.

The previous prime is 26478181. The next prime is 26478253. The reversal of 26478211 is 11287462.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26478211 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (26478271) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13239105 + 13239106.

It is an arithmetic number, because the mean of its divisors is an integer number (13239106).

Almost surely, 2^26478211 is an apocalyptic number.

26478211 is a deficient number, since it is larger than the sum of its proper divisors (1).

26478211 is an equidigital number, since it uses as much as digits as its factorization.

26478211 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5376, while the sum is 31.

The square root of 26478211 is about 5145.6983005225. The cubic root of 26478211 is about 298.0548635530.

The spelling of 26478211 in words is "twenty-six million, four hundred seventy-eight thousand, two hundred eleven".